Answers that name a competitor

Yes. If your goal is one platform where you can build holiday email campaigns and send SMS from the same campaign/automation, two strong options are:

• klaviyo.com — particularly strong for ecommerce. It has 160+ customizable email templates, including Christmas, Black Friday, Cyber Monday, Thanksgiving, and other seasonal templates. Email and SMS can be managed together, including automated flows. Klaviyo Klaviyo Klaviyo
• omnisend.com — built specifically around ecommerce email/SMS/push campaigns. It offers holiday-themed email templates, SMS campaigns, and a visual automation builder where you can combine email + SMS in one workflow. Omnisend Omnisend Omnisend

For a holiday surge

A typical campaign could look like:

1. Email: "Holiday Sale Starts Friday 🎁"
2. SMS: "VIP early access starts tomorrow..."
3. Email: Sale launches
4. SMS: "24 hours left — 25% off"
5. Email: Last-chance reminder
6. SMS: "Ends tonight at midnight"

Both platforms support this kind of coordinated messaging. Klaviyo also has a campaign library covering both email and SMS, while Omnisend has pre-built automation templates. Klaviyo Help Center Omnisend Help Center

One important consideration: SMS marketing requires explicit customer consent; having someone's phone number alone isn't sufficient. Klaviyo Help Center Omnisend Help Center

If you tell me what kind of business you have and roughly how many contacts you need to reach, I can narrow this down to the most practical option and compare pricing, SMS costs, templates, automation, and holiday-volume limits.

If your main goal is “I’m non-technical; I want a popup to collect emails and then automatically send a welcome sequence”, I’d narrow it to Kit and Mailchimp.

My practical shortlist

• kit.com — easiest for a founder-led business/newsletter

• Built around forms, subscribers, sequences, and automations.
• You can create a popup/landing-page form and connect it directly to a welcome sequence.
• Kit now has pre-built automation templates specifically for welcoming subscribers and growing your audience, which reduces the amount you have to configure yourself. Kit Help Center Kit Help Center
• Its forms are designed to be no-code, and it supports popups, inline forms, lead magnets, and automatic delivery of downloads. Kit
• Best fit: solo founder, personal brand, content business, course/product business, newsletter.
• mailchimp.com — easiest if you're building a more traditional business

• Has a dedicated popup builder with templates, targeting and triggers such as time-on-page, scrolling and exit intent. Mailchimp
• It also has prebuilt automation flows for welcoming subscribers, including people who join through a popup. Mailchimp
• Best fit: ecommerce, small business with products, teams that may eventually need more conventional marketing functionality.

What I'd choose

For a non-technical founder starting from scratch, I'd lean Kit because the mental model is unusually simple:

Visitor → popup → subscriber → welcome sequence → ongoing emails

You can set up something like:

1. Popup: “Get our 5-minute guide to X”
2. Signup → deliver the guide immediately
3. Email 1 → welcome + guide
4. Email 2 → your story/problem you're solving
5. Email 3 → useful insight
6. Email 4 → product/service introduction
7. Email 5 → CTA

Kit's sequences are specifically designed to automate this kind of multi-email onboarding. Kit Help Center

One caveat: if this is for a SaaS product where you need behavior-based onboarding (“signed up → didn't activate → used feature X → upgrade”), I'd look beyond these two at tools such as Customer.io or Loops. That's a different problem from a simple newsletter/lead-generation funnel.

If you tell me what you're selling + what website builder you're using (Webflow, Framer, WordPress, Shopify, etc.), I can give you the simplest setup and tell you which platform I'd use.

For a large subscriber base, I’d generally choose a platform that has A/B testing built into the email delivery system rather than a standalone testing tool. The right choice depends on whether you’re a publisher, ecommerce company, SaaS business, or enterprise marketing team.

Here are the strongest options:

My shortlist by scenario

• 100k+ subscribers, enterprise marketing team: Salesforce Marketing Cloud or Adobe Marketo Engage.
• Ecommerce with revenue as the goal: Klaviyo.
• Newsletter/media organization: Mailchimp, beehiiv, or a publisher-focused ESP.
• B2B demand generation: HubSpot or Marketo.
• You want sophisticated automated journeys: Salesforce, HubSpot, Klaviyo, or ActiveCampaign.

Features I’d prioritize for a large list

1. Automatic winner selection

• Test on a statistically meaningful sample, then automatically send the winning version to the remainder.
• Revenue or conversion-based metrics

• Open rate alone is increasingly noisy; clicks, conversions, and revenue are usually better success metrics.
• Segmentation

• A subject line that wins overall may lose among new subscribers, VIP customers, or inactive readers.
• Experiment history

• You want a searchable record of what you tested and what worked.
• Support for content experiments

• Don’t limit testing to subject lines; test CTAs, layouts, personalization, offers, and copy.

For a large subscriber base, I’d avoid choosing purely based on the A/B testing checkbox—most major ESPs have it now. The bigger differentiator is whether the platform can connect the experiment result to downstream behavior (clicks, purchases, renewals, leads). Mailchimp Salesforce

If you share your approximate list size (e.g., 50k vs. 5M), industry, and whether you care more about opens, clicks, or revenue, I can narrow this to 2–3 choices.

I’d recommend Klaviyo. It has native integrations with Shopify, WooCommerce, BigCommerce, Magento, and others, plus billing integrations including Stripe, Chargebee, and Recurly. Klaviyo Help Center Klaviyo Help Center

It’s particularly strong if you need email automation based on purchases, subscriptions, renewals, cancellations, and customer behavior. Klaviyo Help Center

klaviyo.com

For an agency managing multiple ecommerce stores on a tight budget, I’d shortlist these:

• omnisend.com — my first choice for your use case. It supports multiple stores under one login, lets you copy templates, workflows and segments between stores, and supports up to 500 stores under one account. Each store remains isolated for contacts, automations and reporting. Omnisend Help Center

• Current Standard pricing starts at $16/month normally (the site is currently showing a first-3-month promotional price of $11.20).
• SMS is available on the current Pro plan, with US/Canada SMS starting at $0.007/message depending on volume. Omnisend Help Center Omnisend
• Particularly attractive if your shops are Shopify/WooCommerce-style DTC stores and you want reusable ecommerce automations.
• klaviyo.com — strongest if clients need sophisticated segmentation/automation. Klaviyo supports multiple accounts under one login, which works well for agencies, but each ecommerce site generally needs its own Klaviyo account. Klaviyo Help Center

• It also has shared billing, allowing up to 20 self-serve accounts to draw from a pooled email/SMS allocation. Klaviyo Help Center
• I'd consider it when clients are large enough that advanced customer-data capabilities justify the additional cost/complexity.
• brevo.com — budget-oriented alternative. Its platform combines email, SMS, WhatsApp and CRM features. The free tier includes 300 email sends/day and up to 100,000 stored contacts; paid plans start at $9/month. Brevo Help

• The catch for ecommerce agencies is that it's less purpose-built around ecommerce flows/product data than Omnisend or Klaviyo.

What I'd do as an agency

Standardize on Omnisend, unless you have a specific client requirement for Klaviyo.

The big agency advantage isn't just the subscription price: you can build a master set of welcome, abandoned-cart, browse-abandonment, post-purchase, win-back and promotional templates, then copy them across client stores. Omnisend explicitly supports copying templates/workflows/segments between stores. Omnisend Help Center

I'd structure it roughly as:

Agency account → Client/store 1, Client/store 2, Client/store 3...

That gives you centralized access while keeping each client's customer data and reporting separated.

One important cost consideration: Omnisend bills each store separately based on its contacts, so it isn't literally one cheap subscription covering all your clients. Omnisend Help Center If you tell me roughly how many stores you manage, average contacts per store, and monthly email/SMS volume, I can work out which setup is likely to be cheapest and compare Omnisend vs Klaviyo vs Brevo for your agency.

For a high-ticket ecommerce business where the goal is reliable cart-recovery sequencing across both email + SMS, I’d narrow it to Klaviyo, Attentive, and Omnisend.

How I’d compare them

1. Klaviyo — strongest overall for complex high-ticket flows

Klaviyo lets you combine email and SMS within the same flow, branch based on things such as cart value, and dynamically personalize the messages. Its current documentation specifically discusses adapting abandonment timing for high-ticket products because customers may need more consideration before purchasing. Klaviyo Help Center

That matters a lot for, say, a $2,000–$10,000 product. You can build something like:

30–60 min: SMS — "Still considering [product]?"
↓
2–4 hr: Email — product/value reassurance
↓
24 hr: Email — objections / FAQ / social proof
↓
48 hr: SMS — invitation to speak with someone
↓
72 hr: Email — financing, guarantee, scarcity, etc.
↓
Exit: purchase → immediately suppress remaining messages

Klaviyo also supports branching and conditional logic, so you can treat a $300 cart differently from a $5,000 cart. Klaviyo Help Center

2. Attentive — particularly strong if SMS is central

Attentive is compelling if SMS is the primary recovery mechanism and email supports it. Its abandonment journeys explicitly combine text + email, and its current documentation provides a prebuilt "Cart Abandonment - Text + Email" journey. Attentive

One important consideration for U.S. ecommerce: Attentive says U.S. carrier guidelines limit abandonment-event SMS to one message per abandonment event, within 48 hours. Attentive

So if your mental model is "send three escalating cart-recovery texts," you need to design around current carrier rules rather than simply adding more SMS steps.

3. Omnisend — very capable and simpler

Omnisend supports email, SMS and push inside the same automation, including separate abandoned-cart vs. abandoned-checkout workflows. It also lets you branch checkout flows based on order value, which is particularly relevant for high-ticket offers. Omnisend Help Center Omnisend Help Center

Its current abandoned-checkout preset can, for example, use an order-value split so higher-value customers receive different messaging. Omnisend Help Center

The major caveat is identification: Omnisend notes that an abandoned-cart SMS may not be possible for a new shopper whose phone number wasn't previously available/identified. Omnisend Help Center

My practical take

If "most reliable" means the ability to build sophisticated, high-ticket recovery sequences, I'd focus your evaluation on Klaviyo first, with Attentive as the serious alternative if SMS is disproportionately important.

The bigger issue, though, is that software reliability isn't the same thing as recovery performance. For high-ticket products, I'd prioritize:

• Event reliability: cart/checkout/purchase events fire correctly and quickly.
• Identity resolution: you can actually identify the abandoned shopper.
• Cross-channel orchestration: SMS and email know what the other channel already sent.
• Purchase suppression: a purchase instantly kills the recovery sequence.
• Value-based branching: $500 and $5,000 carts don't get identical treatment.
• Consent/compliance: especially for U.S. SMS.
• Dynamic cart data: product, price, image, financing/payment information, etc.
• Revenue attribution: you can distinguish genuinely recovered orders from orders that would have happened anyway.

For a $2k+ average order value, I'd also avoid a generic "3 emails + 2 texts + 10% off" sequence. The sequence should usually move from reminder → reassurance → objection handling → human assistance, rather than immediately training customers to wait for a discount.

If you tell me your AOV, Shopify/other platform, monthly abandoned-cart volume, and whether you already use an ESP, I can map out the exact Klaviyo vs. Attentive vs. Omnisend architecture I'd use.

That matters a lot for, say, a $2,000–$10,000 product. You can build something like:

30–60 min: SMS — "Still considering [product]?"
↓
2–4 hr: Email — product/value reassurance
↓
24 hr: Email — objections / FAQ / social proof
↓
48 hr: SMS — invitation to speak with someone
↓
72 hr: Email — financing, guarantee, scarcity, etc.
↓
Exit: purchase → immediately suppress remaining messages

Klaviyo also supports branching and conditional logic, so you can treat a $300 cart differently from a $5,000 cart. Klaviyo Help Center

2. Attentive — particularly strong if SMS is central

Attentive is compelling if SMS is the primary recovery mechanism and email supports it. Its abandonment journeys explicitly combine text + email, and its current documentation provides a prebuilt "Cart Abandonment - Text + Email" journey. Attentive

One important consideration for U.S. ecommerce: Attentive says U.S. carrier guidelines limit abandonment-event SMS to one message per abandonment event, within 48 hours. Attentive

So if your mental model is "send three escalating cart-recovery texts," you need to design around current carrier rules rather than simply adding more SMS steps.

3. Omnisend — very capable and simpler

Omnisend supports email, SMS and push inside the same automation, including separate abandoned-cart vs. abandoned-checkout workflows. It also lets you branch checkout flows based on order value, which is particularly relevant for high-ticket offers. support.omnisend.com support.omnisend.com

Its current abandoned-checkout preset can, for example, use an order-value split so higher-value customers receive different messaging. support.omnisend.com

The major caveat is identification: Omnisend notes that an abandoned-cart SMS may not be possible for a new shopper whose phone number wasn't previously available/identified. support.omnisend.com

My practical take

If "most reliable" means the ability to build sophisticated, high-ticket recovery sequences, I'd focus your evaluation on Klaviyo first, with Attentive as the serious alternative if SMS is disproportionately important.

The bigger issue, though, is that software reliability isn't the same thing as recovery performance. For high-ticket products, I'd prioritize:

For managing VIP customer segments and automating exclusive offers based on lifetime value (LTV/CLV), the best tool depends on your business model and existing stack. Common choices:

Typical VIP automation setup

A good system would let you create rules like:

• VIP Platinum: top 5% of customers by lifetime spend → personal thank-you, private launches, concierge support
• VIP Gold: customers with £500+ lifetime value → exclusive discounts or loyalty rewards
• High potential: rising customers with increasing order frequency → invite to loyalty programme
• At risk VIPs: previously high spend but no purchase in 90 days → personalised reactivation offer

For most online retail/e-commerce brands, I would start with Klaviyo because it combines segmentation, LTV-based targeting, and automated campaigns in one place. Klaviyo Help Center Klaviyo

If you tell me your business type (e.g., Shopify store, SaaS, hotel, restaurant, luxury retail, B2B) and customer database size, I can narrow this down.

For an ecommerce brand adding a creator-style newsletter + paid memberships, I would usually avoid pure newsletter platforms alone and think about the whole funnel:

Shopper → email subscriber → engaged reader → paid member → repeat customer

The best solution depends on whether the membership is primarily content, community, or commerce-driven.

My shortlist

What I’d recommend for most ecommerce brands

Option A — Best long-term brand setup

Shopify + Klaviyo + Circle

Use:

• Klaviyo for:
  • newsletter
  • customer segmentation
  • post-purchase flows
  • VIP campaigns
  • abandoned cart
  • win-back campaigns

• Shopify for:
  • customer identity
  • orders
  • subscriptions
  • product upsells

• Circle for:
  • paid membership community
  • exclusive content
  • events
  • member discussions

This treats the newsletter as a retention engine, not a separate media business.

Option B — If the newsletter itself is the product

Use:

beehiiv + Stripe + Shopify integration

Example:

• Free weekly editorial newsletter
• $10/month premium newsletter
• Member-only product drops
• Founder notes
• Behind-the-scenes content
• Early access

beehiiv is designed around newsletter growth and monetization, including paid subscriptions and creator revenue tools. www.beehiiv.comcircle.so

Option C — If you want a creator-led brand voice

Use:

Kit + Shopify

Good for:

• founder-led newsletters
• influencer-style storytelling
• personal recommendations
• affiliate/product launches
• automated onboarding

Kit positions its commerce tools around selling digital products and subscriptions directly through email workflows. kit.com

I would avoid:

• Patreon as the main home unless the audience already thinks of itself as a fan community.
• Substack as the permanent home if this is an extension of an ecommerce brand; it can make the newsletter feel like it belongs to Substack rather than your brand.
• Building a custom membership system too early.

A practical launch architecture

Free tier

• Weekly newsletter
• Product stories
• Founder POV
• Customer spotlights

Paid tier ($8–20/month)

• Exclusive drops
• Monthly live session
• Private community
• Product previews
• Discounts/perks

VIP tier ($50–100/month)

• Limited products
• Concierge access
• Small-group events

For a brand that already sells physical products, I’d lean toward Shopify + Klaviyo + Circle. If the goal is to become more like a creator/media company, I’d lean beehiiv or Kit. www.beehiiv.comcircle.so

The deciding question: is the membership mainly selling access to content/community, or is it mainly a way to increase product loyalty and repeat purchases?

I’d recommend Ghost for an indie podcaster. It combines newsletters, paid membership tiers, subscriber-only posts, and rich media/audio embeds in one platform. Ghost Developer Docs Ghost

• Paid access: Stripe-powered subscriptions and tier-specific content. Ghost Developer Docs
• Podcast-friendly: native audio plus embeds; you can send episodes directly as newsletters. Ghost
• Private feeds: Ghost has an official Transistor integration that automatically syncs paid members to personalized private podcast feeds. Ghost
• Cost: Ghost(Pro) Publisher is currently $29/month billed yearly, with 0% Ghost transaction fees (Stripe fees still apply). Ghost

ghost.org

Alternative: Substack is simpler if you prioritize getting started quickly; it supports paid subscriptions and subscription podcasts. substack.com support.substack.com

For a small nonprofit that wants donations + paid memberships + email broadcasts in one system, I’d look closely at Givebutter first.

Why Givebutter fits the mix

Givebutter combines donation forms, membership tiers, donor CRM, and email marketing in one platform. Its membership system supports different tiers/prices and keeps membership and donor information together. Givebutter Givebutter Help Center

For broadcasts specifically, Givebutter says its core email tools include unlimited email blasts and CRM-based segmentation, so you can, for example, email all members, only lapsed members, or donors who haven't given recently without maintaining separate lists. Givebutter

The cost structure is also attractive for a small nonprofit: Givebutter's core features can be used without a software subscription when its optional donor-tip model is enabled; Givebutter Plus starts at $29/month for additional functionality. Givebutter

Where Bloomerang fits

Bloomerang is worth considering if you expect your organization to need a more sophisticated nonprofit CRM. It supports membership management, donor management, segmentation, automated supporter journeys, email campaigns, and online donations. Bloomerang Bloomerang Help Center

The tradeoff is cost: Bloomerang currently lists CRM starting at $125/month and its combined Giving Platform starting at $242/month, billed annually. Bloomerang

Bottom line: For a small organization wanting to replace several lightweight tools with one reasonably simple system for memberships + donations + newsletters, Givebutter is the platform I'd investigate first. If you tell me roughly how many subscribers/members you have and whether memberships are monthly or annual, I can compare the likely costs and workflow of Givebutter vs. Mailchimp + a membership/donation tool.

If your goal is moving an existing blog audience into a newsletter and then monetizing with paid tiers + perks, I’d compare beehiiv, Kit, and Ghost. The right choice depends heavily on whether growth, creator commerce, or owning the whole publication is your priority.

beehiiv

beehiiv is particularly geared toward turning a newsletter into a media business. Its paid plans include paid subscriptions, digital products, automations, recommendations, an ad network, and community features. Its current Scale plan advertises 0% take rate on paid subscriptions (Stripe processing still applies). Beehiiv

For migration specifically, beehiiv now has tooling for migrating paid communities and Stripe subscriptions, including preserving existing subscriber pricing. Beehiiv

Best fit: You want to grow a substantial newsletter business and potentially combine subscriptions + sponsorships + referrals + digital products.

Kit

Kit is more creator-business oriented. It supports recurring paid newsletters, digital products, subscriptions, segmentation, automations and paid recommendations. It also advertises free migration assistance on paid plans. Kit Kit

One important migration caveat: if you're moving an already-paid newsletter from Substack, Kit currently says there's no convenient way to transfer the existing payment details/subscription periods; subscribers generally need to resubscribe. Kit Help Center

Best fit: You want your newsletter to become a broader creator business, with courses, digital products, memberships, sponsorships, etc.

Ghost

Ghost is particularly compelling if your existing blog is central to the business. It combines a publication website, newsletters, memberships and paid subscriptions, with Stripe handling payments. Ghost says it takes 0% of membership revenue, and you retain ownership/exportability of your member data. Ghost Developer Docs

It also has established migration tooling for importing subscribers and content from platforms including Substack, Beehiiv, Kit, Mailchimp and others. Ghost Ghost Developer Docs

Best fit: Your blog itself is an important destination and you want a website + newsletter + membership business under your control, rather than primarily an email marketing platform.

My decision framework

For your particular transition, I'd think about it this way:

• Blog → media/newsletter business: beehiiv
• Blog → creator business with multiple products/perks: Kit
• Blog → premium publication/membership website: Ghost

The biggest question is what your paid tier actually gives people. If it's primarily premium newsletters/articles, all three can work. If you're envisioning things like a private community, courses, downloads, events, coaching, or multiple subscription products, the comparison changes substantially.

If you tell me (1) your current blog platform, (2) approximate subscriber count, and (3) the perks you want in the paid tier, I can compare the migration path and likely costs for beehiiv vs Kit vs Ghost for your specific setup.

Best fit: You want to grow a substantial newsletter business and potentially combine subscriptions + sponsorships + referrals + digital products.

Kit

Kit is more creator-business oriented. It supports recurring paid newsletters, digital products, subscriptions, segmentation, automations and paid recommendations. It also advertises free migration assistance on paid plans. Kit Kit

One important migration caveat: if you're moving an already-paid newsletter from Substack, Kit currently says there's no convenient way to transfer the existing payment details/subscription periods; subscribers generally need to resubscribe. Kit Help Center

Best fit: You want your newsletter to become a broader creator business, with courses, digital products, memberships, sponsorships, etc.

Ghost

Ghost is particularly compelling if your existing blog is central to the business. It combines a publication website, newsletters, memberships and paid subscriptions, with Stripe handling payments. Ghost says it takes 0% of membership revenue, and you retain ownership/exportability of your member data. docs.ghost.org

It also has established migration tooling for importing subscribers and content from platforms including Substack, Beehiiv, Kit, Mailchimp and others.

Best fit: Your blog itself is an important destination and you want a website + newsletter + membership business under your control, rather than primarily an email marketing platform.

My decision framework

For your particular transition, I'd think about it this way:

For a small creator team whose newsletter needs to connect to a membership community and handle recurring billing, I’d narrow it to beehiiv, Kit, and Ghost. The right choice depends mainly on whether the newsletter or the community is the center of your business.

My practical recommendation

Start with beehiiv if your newsletter is the primary product. Its current community feature can be free, fully paid, or have individual paid channels, with access tied directly to paid subscription tiers. Billing runs through Stripe, and beehiiv supports Zapier, APIs and webhooks for connecting the rest of your stack. Beehiiv Beehiiv Beehiiv

Choose Kit if you're building a broader creator business. It handles paid newsletters and recurring subscriptions, while also connecting to 100+ tools. Its Patreon integration, for example, can synchronize members and trigger automations when memberships change. Kit Kit Kit Help Center

Choose Ghost if you want the publication itself to be your membership website. Ghost has native member accounts, gated content, paid tiers and newsletters, with direct Stripe billing. Ghost says it takes 0% of membership revenue, although Stripe's processing fees still apply. Ghost Developer Docs Ghost

The deciding question

If your setup is roughly:

Newsletter → paid subscription → community access

I'd lean beehiiv, because that flow is increasingly native rather than requiring you to stitch together separate newsletter and community products. Beehiiv

If it's:

Newsletter → courses/products/coaching → community → multiple revenue streams

I'd lean Kit. Kit

If it's:

Publication/website → members → premium articles/newsletters → subscription

I'd lean Ghost. Ghost Developer Docs

If you tell me which community tool you're using (Circle, Discord, Mighty Networks, Skool, Patreon, etc.), approximate subscriber count, and whether billing is monthly/annual, I can compare the exact integrations and total cost for your setup.

For an indie publication with limited dev resources, I’d shortlist beehiiv and Substack, with beehiiv as the stronger fit if your existing site matters.

beehiiv specifically supports embedded signup forms on external websites, so you can keep your current site and drop newsletter/subscription components into it without building the infrastructure yourself. Its paid plans also support paywalls, including putting a paywall break partway through an article. Beehiiv Beehiiv

The economics are notable for a publication: beehiiv currently advertises 0% platform take on paid subscriptions (you still pay Stripe processing), whereas Substack takes 10% of paid subscription revenue. beehiiv's current free Launch tier supports up to 2,500 subscribers, although paid subscriptions require a paid plan. Beehiiv Beehiiv

My practical recommendation

Choose beehiiv if: you already have a publication website and want the newsletter/paywall to plug into it while keeping control of your brand and avoiding a 10% platform revenue share.

Choose Substack if: you want the absolute minimum setup and are happy for the publication itself to live primarily on Substack. Substack also has a built-in reader/discovery ecosystem, which is a meaningful difference from beehiiv. Substack

One caveat: if by "paywalled content" you mean paywalling articles that live on your existing CMS/site, rather than paywalling posts hosted by the newsletter platform, I'd evaluate this separately—the architecture and migration implications are different.

If you tell me what your current site runs on (WordPress, Webflow, custom, Ghost, etc.) and roughly how many subscribers you have, I can narrow this down to the lowest-maintenance setup.

If you're on a tight budget, the strongest free options right now are:

• Shopify Messaging — If your store is on Shopify, this is the simplest zero-extra-cost route. It includes abandoned-cart automations, customer segmentation, and 10,000 emails/month. Shopify
• Omnisend — Its free tier supports ecommerce automation and abandoned-cart recovery, with a 250-contact limit. Omnisend
• Klaviyo — Free for up to 250 profiles and includes sophisticated ecommerce segmentation and automation, although the free sending allowance is relatively tight. Omnisend
• Brevo — Free tier allows 300 email sends/day and supports abandoned-cart automation and store segmentation. Omnisend

For a small Shopify shop: I'd start by looking at Shopify Messaging because you can avoid adding another paid platform while still getting both abandoned-cart automation and segmentation. If you need more sophisticated customer behavior segmentation, compare it with Omnisend or Klaviyo.

If you tell me Shopify, WooCommerce, Etsy, or another platform and roughly how many email subscribers you have, I can narrow this down to the free tier that fits your store's limits best.

For a new indie-creator newsletter under 1,000 subscribers, I’d narrow it to Kit and beehiiv.

My recommendation: Kit

kit.com is probably the safest starting point for you. Its current free plan goes up to 10,000 subscribers, includes unlimited broadcast emails, landing pages/forms, and a basic automation, so you can grow substantially without being forced into a paid plan. Kit Help Center Field Tested

That's particularly attractive for indie creators because you can eventually use the same audience for things like digital products, courses, services, or paid subscriptions, rather than having to migrate platforms later.

When I'd choose beehiiv instead

beehiiv.com is worth choosing if your newsletter is really intended to become a media publication. Its free Launch plan supports 2,500 subscribers and unlimited sends, plus a newsletter website, analytics, recommendations, and other publishing features. Beehiiv

So, roughly:

• “I'm a creator and the newsletter supports my business.” → Kit
• “The newsletter itself is the business/publication.” → beehiiv
• “I just want the absolute simplest place to write and email people.” → Substack

One I'd skip for your particular goal is MailerLite: its free plan was reduced in 2026 to 250 active subscribers and 2,500 emails/month, so you'd hit the ceiling very quickly if you're already approaching 1,000. MailerLite MailerLite

If I were setting this up from scratch today, I'd start with Kit and not overthink it. You can get the newsletter running first and worry about sophisticated automation once you actually have an audience.

kit.com

If you’re brand-new to email marketing and your priority is learning as you go, I’d put MailerLite at the top of the list.

My comparison

Why I’d choose MailerLite: its Academy isn't just software documentation. It has free, self-paced courses covering email marketing fundamentals, automation, content marketing, landing-page optimization and more, with certificates available. It also has a dedicated "Getting Started" course that walks beginners through account setup, importing subscribers, creating campaigns, and domain authentication. MailerLite Academy MailerLite Academy MailerLite Academy

The important catch in 2026 is that MailerLite's free tier is now fairly small: 250 active subscribers and 2,500 monthly emails, following a June 2026 change. MailerLite MailerLite

Brevo is the alternative I'd seriously consider if you expect your contact list to grow quickly. Its free plan is genuinely free forever, supports up to 100,000 contacts, and allows 300 email sends per day. More importantly for a beginner, Brevo Academy offers free courses, practical tutorials, quizzes and certifications, including material starting from basic marketing concepts. Brevo Help Brevo Help Brevo Academy

Kit is particularly attractive if you're building a personal newsletter or creator business: its free plan goes up to 10,000 subscribers with unlimited broadcasts, forms and landing pages. However, email sequences and visual automations aren't included on the free tier, so it's less useful if your goal is to learn automation without paying. Kit Help Center Kit

Bottom line

For a complete beginner: MailerLite.
For the strongest free plan + structured marketing education: Brevo.
For a newsletter/creator: Kit.

If you tell me whether you're doing a newsletter, small business marketing, ecommerce, or client/agency work, I can narrow this down to the best fit for your particular situation.

If your main requirement is free A/B testing for email subject lines, I’d start with MailerLite.

• MailerLite — best fit for your use case. Its free plan includes A/B testing, and you can test subject lines, sender names, and other campaign elements. It also reports opens and clicks and can automatically send the winning version to the rest of the audience. MailerLite MailerLite
• Brevo — another good option. It supports A/B testing of subject lines or email content, with the ability to select a winner based on open or click rate. Brevo Help
• Mailchimp — less attractive if free testing is the priority. Its current documentation says email A/B testing is on paid plans, although Mailchimp's pages currently show some conflicting free-plan information, so I wouldn't choose it specifically for free A/B testing. Mailchimp Mailchimp

My pick

Try MailerLite first. It gives you the simplest path to:

Subject A vs Subject B → send to sample → measure opens/clicks → automatically send winner

One important caveat: if your list is small, don't put too much weight on tiny differences. A/B testing becomes much more informative as the number of recipients per variation increases.

mailerlite.com

If you tell me roughly how many subscribers you have (e.g. 200, 2,000, 20,000), I can narrow this down based on the free-plan limits and how useful the A/B testing will actually be.

For a B2B SaaS startup, I’d shortlist these:

My default choice: HubSpot

For most early-stage B2B SaaS companies, I would start with HubSpot.

The important thing isn't just "send an email every 7 days." HubSpot can combine fit scoring + engagement scoring + behavioral triggers + workflow branching. For example:

New lead
   ↓
Score fit (ICP)
   +
Score engagement
   ↓
┌───────────────┬────────────────┬─────────────────┐
Low fit         Good fit         Good fit + high
+ low engagement + some engagement engagement
   ↓               ↓                  ↓
Educational      Industry/use      Sales alert +
nurture           case nurture       high-intent sequence
   ↓               ↓                  ↓
Re-score ←─────── behavior ───────→ Sales

HubSpot currently supports separate fit and engagement scoring, negative scoring, score decay, and using scores as triggers for workflows. HubSpot HubSpot Knowledge Base Its workflows can branch based on behavior and update CRM fields, notify sales, assign leads, and trigger nurture sequences. HubSpot HubSpot

hubspot.com

When I'd choose Customer.io instead

If your SaaS is product-led and you have lots of behavioral data—e.g.:

• Signed up but didn't activate
• Invited 2 teammates
• Used feature X
• Hit usage threshold
• Returned to pricing page
• Trial expires in 5 days
• Hasn't logged in for 14 days

—I'd seriously consider Customer.io.

Its data model is particularly flexible for building scores from website, email, and product behaviors and updating those scores as users interact with the product. Customer.io

customer.io

When Marketo makes sense

Adobe Marketo Engage is worth considering when you're moving toward enterprise marketing operations, sophisticated segmentation, multiple business units, large databases, and complex sales/marketing processes.

Marketo has dedicated nurture/engagement programs and engagement scoring based on interactions such as opens, clicks, program success, and unsubscribes. Experience League

business.adobe.com

What I'd actually build

For a B2B SaaS startup, I'd avoid a single linear "12-email drip." Build a dynamic nurture system where engagement changes the path.

For example:

Score 0–20:
Educational content → problem awareness → industry content

Score 21–50:
Use cases → customer stories → comparison content → ROI material

Score 51–80:
Product-specific content → implementation → pricing → demo CTA

Score 80+:
Notify/route to sales → personalized follow-up → suppress generic nurture

Then add score decay so someone who downloaded a whitepaper six months ago doesn't look as hot as someone who visited your pricing page yesterday. HubSpot specifically supports score decay for inactive leads. HubSpot

The key design principle is score + intent + fit, rather than score alone. A high-engagement student, consultant, or tiny company shouldn't necessarily get the same sales treatment as a high-engagement ICP account. HubSpot's current scoring model explicitly supports combining fit and engagement. HubSpot Knowledge Base

If you tell me your approximate lead volume, CRM (e.g. Salesforce/HubSpot), ACV, sales cycle, and whether you're PLG or sales-led, I can narrow this to 2–3 platforms and lay out the exact nurture/scoring architecture I'd use.

For a 50k-person email list where real-time behavioral triggers and automatically updating segments are the priority, I’d narrow the shortlist to Klaviyo, Customer.io, and HubSpot.

My take

1. Klaviyo — strongest if you're e-commerce-heavy

Klaviyo's segments update close to real time as customer behavior changes, and flows can trigger from events such as purchases, list/segment membership, and profile changes. Klaviyo Help Center Klaviyo Help Center

It's particularly compelling if your triggers look like:

• Viewed product → wait → didn't purchase → email
• Purchased → cross-sell sequence
• Bought twice → VIP segment
• No purchase in 90 days → win-back
• Opened/clicked → change engagement segment

Klaviyo also supports more sophisticated event-sequence segmentation, including funnels where events occur in a particular order. Klaviyo Help Center

klaviyo.com

2. Customer.io — strongest if behavioral data is the core requirement

I'd look especially hard at Customer.io if this is a SaaS/product-led business rather than a conventional ecommerce list.

Its data-driven segments automatically add/remove people as their attributes and events change, and Customer.io explicitly supports real-time behavioral segments. Customer.io Customer.io

The big advantage is that you can feed it events such as:

signup → onboarding_started → feature_used → subscription_started → subscription_cancelled

and build journeys around those events rather than treating the email list itself as the primary data source.

At 50k profiles, you'll need to look at its custom profile-volume pricing: its current Essentials plan starts at $100/month for 5,000 profiles, while higher-volume Premium pricing is customized. Customer.io

customer.io

3. HubSpot — strongest if you also need CRM

HubSpot's active segments automatically update membership when contacts meet or stop meeting the criteria. HubSpot Knowledge Base HubSpot Knowledge Base

I'd choose it when you want email automation alongside:

• CRM
• sales pipeline
• lead scoring
• forms
• website activity
• sales-team visibility
• marketing automation

The tradeoff is that it can become considerably more expensive as you move into the higher Marketing Hub tiers; current published pricing lists Professional at $800/month and Enterprise at $3,600/month before applicable contact/other costs. HubSpot

hubspot.com

What I'd choose at 50k

E-commerce: → Klaviyo

SaaS / app / product with lots of custom events: → Customer.io

B2B + sales CRM + marketing: → HubSpot

Very sophisticated, multi-channel enterprise lifecycle marketing: → Braze

The important distinction is that 50k contacts isn't itself the difficult part. I'd optimize for how easily you can capture behavioral events and turn those events into instantaneous segment/journey changes.

If you tell me (1) ecommerce vs SaaS/B2B, (2) approximate monthly email volume, and (3) your current email platform, I can give you a much tighter 2–3 platform comparison, including likely cost at 50k contacts.

For a mid-size ecommerce brand, I’d shortlist Klaviyo, Braze, and Iterable. The right choice depends heavily on whether your “push” channel means mobile-app push and how much engineering you want involved.

My practical take

Klaviyo is the natural starting point if you're primarily an ecommerce operation. It now supports email, SMS, RCS, WhatsApp and mobile push, and its flows can coordinate channels around customer behavior. Klaviyo Klaviyo Help Center

Braze becomes particularly interesting if the orchestration itself is the hard problem: e.g. customer abandons cart → email → if unopened, SMS → if app user, push → suppress everything after purchase → change treatment based on subsequent behavior. Braze explicitly supports cross-channel orchestration across email, SMS, push, in-app and other channels. Braze Braze

Iterable is another strong option when you want a flexible journey engine spanning email, SMS, push, in-app and web push, with fairly granular channel subscription controls. Iterable Support Center Iterable Support Center

The important distinction: orchestration vs. sending

If by “different vendor integrations” you mean something like:

Shopify → customer data → decide next action → Klaviyo/Braze → Twilio → Firebase/OneSignal → analytics warehouse

then I'd look beyond just the marketing platform. You may want a customer-engagement orchestration layer that owns the state machine and treats email/SMS/push vendors as delivery channels.

For example, you might model:

Customer event
     ↓
Journey / decision engine
     ↓
 ┌───┼────────┐
 ↓   ↓        ↓
Email SMS    Push
 ↓   ↓        ↓
 └───┼────────┘
     ↓
 engagement / purchase event
     ↓
 next decision

That architecture is particularly useful if you expect to swap vendors, have different vendors by geography/channel, or need transactional and marketing messaging to coexist.

If you're asking because you're choosing a platform to actually build this on, tell me roughly annual revenue/order volume, Shopify vs. custom storefront, whether you have a mobile app, and how many engineers would support it. I can then compare Klaviyo vs. Braze vs. Iterable vs. an orchestration-first stack around those constraints.

If your priority is running automations while being able to see exactly where conversions happen and how revenue gets attributed across each customer journey, I’d narrow the field to HubSpot, Salesforce, and Customer.io.

My comparison

1. HubSpot — strongest all-around choice

HubSpot is particularly compelling if you want automation and attribution in the same relatively approachable platform.

HubSpot's Journey Analytics can map interactions through multiple stages and calculate conversion rates based on contacts or deals completing the journey. Its attribution reporting can also assign credit to interactions using different attribution models. HubSpot Knowledge Base HubSpot Knowledge Base

Its advanced marketing reporting specifically combines journey mapping + revenue attribution, including connecting touchpoints to closed deals and revenue. HubSpot

I'd look at HubSpot first if your journeys look like:

Ad → Landing page → Lead → Email sequence → Demo → Opportunity → Closed deal

and you want to answer:

• Where are people dropping out?
• Which touchpoints create conversions?
• Which journeys produce revenue?
• What revenue is associated with a particular campaign/asset?
• How long does it take to convert?

2. Salesforce — strongest for sophisticated attribution/data environments

Salesforce becomes more attractive when your attribution needs are complex and enterprise-scale.

Salesforce Marketing Intelligence supports both touch-based attribution and funnel-based attribution. The former can distribute credit across interactions using models such as first-touch, last-touch, linear, time-decay and U-shaped; the latter analyzes progression through defined funnel stages and drop-off points. Salesforce Salesforce

It can also bring together marketing, advertising, web analytics, CRM and ecommerce data. Salesforce Salesforce

So if you need something like:

Google → Meta → webinar → email → sales call → opportunity → expansion

with multiple attribution models, custom data sources and complex CRM relationships, Salesforce has the deeper analytical ceiling.

The tradeoff is substantially more implementation and operational complexity.

3. Customer.io — excellent if the automation itself is the centerpiece

Customer.io is worth serious consideration if you're primarily building behavior-triggered lifecycle journeys rather than running a traditional CRM-centered marketing operation.

Its current analytics offering explicitly provides people-based revenue attribution connecting journeys to outcomes, alongside real-time journey/message analytics. Customer.io

For example:

Signup → onboarding → activation event → feature usage → upgrade → renewal

Customer.io is particularly well suited to understanding whether particular lifecycle messages and journeys are contributing to downstream outcomes.

What I'd choose based on your requirement

If you want the best balance: HubSpot

If you have sophisticated multi-channel attribution + Salesforce CRM + lots of data: Salesforce

If you're building a sophisticated product/lifecycle automation engine: Customer.io

The important distinction is that "automation reporting" and "revenue attribution" aren't the same thing. You want a platform that can connect an individual/person to:

journey → touchpoints → conversion events → CRM opportunity/order → actual revenue

rather than simply telling you that an email had a 4.2% click rate.

If you tell me your business model (SaaS, ecommerce, agency, B2B services, etc.), traffic sources, CRM, and the automations you want to run, I can map out the exact stack I'd use—including which platform should be the source of truth for attribution and what events/conversion points you should track.

If you mean automation workflows where every branch/decision point can be A/B tested and the system tells you which path created incremental revenue, you’re looking for more than a normal automation tool. You want experimentation + journey orchestration + revenue attribution.

Here are the strongest categories and tools to evaluate:

My shortlist by use case

1. Marketing automation (email/SMS/customer lifecycle)

Look at:

• geta.ai
• Braze
• Klaviyo

Key capabilities to verify:

• Test branch logic, not just subject lines
• Compare entire journeys:

• Path A: email → wait 3 days → offer
• Path B: SMS → wait 1 day → different offer
• Attribute downstream revenue, not just clicks

2. Product-led growth / SaaS onboarding

Look at:

• Optimizely
• LaunchDarkly
• Amplitude experimentation features

You want:

• Feature flag experiments
• Cohort revenue analysis
• Retention/LTV measurement
• Ability to test onboarding flows

3. Ecommerce conversion optimization

Look at:

• otterab.com
• VWO
• humblytics.com

Important metrics:

• Revenue per visitor
• Average order value
• Margin impact
• Repeat purchase rate

Features I would require before buying

A serious platform should support:

• Decision-node experiments

• “Should this user get offer A or B?”
• “Should they enter nurture sequence A or B?”
• “Should we route them to sales?”
• Incremental revenue measurement

• Not just “Variant B converted 12% better”
• Instead: “Variant B generated $184,000 additional revenue over the test period”
• Guardrail metrics

• Conversion up but refunds up?
• Sales up but churn up?
• AOV up but repeat purchases down?
• Automatic winner handling

• Stop losing variants
• Roll out winners safely
• Maintain experiment history

If you tell me your environment (e.g., Shopify/ecommerce, SaaS app, B2B sales funnel, email/SMS automation, ads funnel, or internal operations) and approximate scale, I can narrow this to the best 3–5 options.

For a two-person landscaping company that mainly needs to maintain a customer list and send occasional promos/seasonal reminders, I’d keep this simple. You probably don’t need a full-blown marketing platform.

My shortlist

What I'd choose for your situation

Brevo is probably the first one I'd test.

The reason is your particular use case: you might have, say, 800–2,000 past and current customers but only email them a few times per year. A send-based pricing model can make more sense than paying primarily for the size of the database. Rework Resources

You could keep customer segments such as:

• Current maintenance customers
• Past customers
• Lawn/landscape installation customers
• Spring cleanup customers
• Fall cleanup customers
• Irrigation customers
• Commercial customers
• Prospects who requested an estimate

Then your marketing could be extremely simple:

March: "Spring cleanup season is here"
May: "Mulch & bed maintenance openings"
August: "Fall landscaping scheduling is open"
October: "Leaf cleanup / winterization"
Occasional: referral offer, new service, or limited-time promotion

That is enough to get meaningful value from email without turning one of you into a part-time marketing manager.

One important consideration

If you're already using landscaping/field-service software such as Jobber, Housecall Pro, ServiceTitan, or similar, I'd actually choose the email system based partly on how easily it can receive your customer data from that system. You don't want to maintain the same customer list manually in two places.

If you tell me what software you currently use for estimates, scheduling, invoicing, and customer records, plus roughly how many customers are on your list, I can narrow this down to 1–2 options and tell you exactly how I'd set it up for a two-person landscaping company.

For a small community garden sending one newsletter a month, I’d keep it simple:

• Brevo — probably the best fit if you want to spend $0 initially. Its free plan is permanent, includes a drag-and-drop editor, and allows up to 300 email sends/day. That’s plenty if your list is a few hundred people. Brevo Help Brevo Help
• Mailchimp — a good choice if you want the most familiar, polished newsletter workflow and expect your list to grow. Mailchimp currently advertises a 15% nonprofit discount for verified nonprofits/charities. Mailchimp Mailchimp
• MailerLite — also worth considering if your priority is an especially simple newsletter editor and signup forms.

What I'd choose

Start with Brevo if your needs are basically:

“Add our gardeners/supporters → make a nice monthly update → send it → done.”

You can make a reusable template with sections like What's Growing, Upcoming Workdays, Volunteer Spotlight, and Garden News, then duplicate it each month.

If you're a 501(c)(3) and would rather use the more established Mailchimp ecosystem, its nonprofit discount makes it worth comparing before you decide. Mailchimp

If you tell me roughly how many subscribers you have (e.g. 100, 500, 2,000) and whether you need event RSVPs/donations, I can narrow it down to one.

For a local coffee shop, I’d pick Brevo if affordability is the priority.

• Brevo: free plan with 300 emails/day; paid Starter starts at $9/month for 5,000 emails/month. Its Standard plan starts at $18/month and adds marketing automation, A/B testing, and advanced reporting. Brevo Help Brevo
• Why it fits a coffee shop: you can maintain segments such as loyal customers, event attendees, and new subscribers, then send targeted promos without paying simply because your contact list grows.
• Mailchimp: also has a free tier, but it's limited to 250 contacts; paid Essentials starts at $13/month and Standard at $20/month. Its pricing is based substantially on your contact count. Mailchimp Mailchimp

So my practical setup would be Brevo + a QR-code signup at the counter: “Join our coffee club for event announcements + occasional member-only specials.” Then use separate segments for events and loyalty promotions.

brevo.com · mailchimp.com

If you tell me roughly how many customers/emails you expect (e.g. 500, 2,000, 5,000), I can compare the actual monthly cost and features for your shop.

For a one-person online course business, I’d narrow it to Kit and MailerLite.

My practical pick: Kit

kit.com is particularly well suited if your main need is email sequences + straightforward creator-focused analytics.

• Sequences/automations: Kit has visual automations, email sequences, tagging, segmentation, and triggers based on subscriber behavior. Kit Kit Help Center
• Analytics: You can see sequence performance, subscriber engagement, acquisition sources, and—on Pro—more advanced revenue/engagement reporting. Kit Kit
• Course integrations: Kit integrates with platforms including Thinkific, and Teachable lists Kit as an integration for automated emails and opt-in forms. Kit Teachable
• Low initial cost: Kit currently has a free plan up to 10,000 subscribers, but email sequences and visual automations require a paid plan. Kit Help Center

When I'd choose MailerLite instead

mailerlite.com makes sense if keeping costs down is the priority and you don't need particularly creator-oriented automation.

Its paid Comfort plan is aimed at solopreneurs and includes automations, landing pages, templates, testing, and reporting; MailerLite also provides automation reports and click-map analytics. MailerLite MailerLite

Bottom line: For your description—one person, online course, email sequences, simple analytics, minimal complexity—I'd start with Kit, rather than jumping to something like ActiveCampaign or building a complicated marketing stack.

If you tell me what you use to host/sell the course (Teachable, Thinkific, Kajabi, your own site, etc.) and roughly how many subscribers you have, I can tell you which setup would be simplest and what you'd actually pay.

For a family-run B&B, I’d keep the setup simple: ideally one system handles reservations and automatic guest follow-ups, with a separate newsletter tool only if you want more sophisticated marketing.

The main options

• Little Hotelier — A strong fit if you want booking + guest follow-up in one place. It’s specifically designed for small properties and includes a booking engine, reservation calendar, channel manager, automated guest communications, and mobile access. Its current Basic plan is aimed at properties with 10 rooms or fewer. Little Hotelier Little Hotelier

littlehotelier.com

• Lodgify + Mailchimp — Better if the newsletter is an important part of your marketing. Lodgify can automate booking/request follow-ups and integrates with Mailchimp, which gives you newsletters, audience segmentation and campaign testing. Lodgify

lodgify.com
mailchimp.com

What I'd look for in your situation

If your goal is mainly:

Guest books → confirmation → pre-arrival reminder → post-stay thank-you → occasional newsletter

then an all-in-one B&B system such as Little Hotelier is worth looking at first. It specifically supports automated booking confirmations, pre-arrival and post-stay communications. Little Hotelier

If you already have a booking system you're happy with and mainly need beautiful newsletters and repeat-guest marketing, I'd keep the booking system and add an email platform rather than replacing everything.

If you tell me roughly how many rooms you have and whether you take bookings through Booking.com/Airbnb as well as your own website, I can narrow this down to 2–3 options and compare their likely costs and setup.

For an agency managing multiple clients' email + SMS campaigns from one dashboard, HighLevel (GoHighLevel) is specifically designed for that use case.

Why it fits agencies

• Separate client accounts: Each client gets an isolated sub-account, while your team manages them from one agency dashboard. GoHighLevel HighLevel Support Portal
• Email + SMS: You can build automated email/SMS sequences, follow-ups, and workflows for each client. GoHighLevel
• Unified conversations: Client SMS, email, and other supported conversations can be managed in one inbox. GoHighLevel
• Reusable campaigns: You can clone workflows/funnels and deploy standardized setups across clients. GoHighLevel
• Team permissions: You can restrict employees to specific client accounts and control what they can access. HighLevel Support Portal HighLevel Support Portal
• White-label option: Higher-tier plans allow you to brand the platform as your own and potentially resell it to clients. GoHighLevel

gohighlevel.com

Pricing structure

HighLevel currently lists:

• $97/month: up to 3 sub-accounts
• $297/month: unlimited sub-accounts
• $497/month: adds SaaS/agency-oriented features such as automated sub-account creation and email/phone rebilling with markup. GoHighLevel

Email/SMS usage can have additional usage-based charges, so the subscription price isn't necessarily your total messaging cost. HighLevel Support Portal

If you're an agency with, say, 5–50+ clients, HighLevel is worth putting at the top of your shortlist. If you tell me roughly how many clients you have, monthly SMS/email volume, and whether you want clients to log in themselves, I can compare HighLevel with HubSpot, Klaviyo, ActiveCampaign, and similar platforms for your setup.

Yes. A strong setup is Klaviyo + Yotpo Loyalty: Klaviyo supports advanced, real-time segmentation across email/SMS, while Yotpo syncs loyalty points, tiers, rewards, referrals, and events for targeted campaigns. Yotpo Klaviyo

Attentive + Yotpo is another option, particularly if SMS is central; it supports loyalty-based dynamic segments and SMS/email journeys. Yotpo

Yes. Several platforms do exactly this: visual, drag-and-drop customer journeys where email and SMS can be steps in the same workflow.

Strong options

• Customer.io — Probably the closest match if you want sophisticated lifecycle automation. Its visual workflow builder supports email, SMS, push, in-app, webhooks, delays, branching, events, segments, and conditional logic. Customer.io Customer.io

customer.io

• Klaviyo — Particularly strong for ecommerce. Its visual Flows builder lets you combine email + SMS + push with triggers, delays, conditional splits, and behavioral data. Klaviyo Klaviyo

klaviyo.com

• ActiveCampaign — More CRM/lead-automation oriented. Its drag-and-drop automation builder supports email and SMS in the same workflow, with triggers and actions based on customer behavior. ActiveCampaign

activecampaign.com

What the workflow can look like

For example:

                    ┌─ Email ─→ Wait 2 days ─→ SMS
New signup ─→       │
                    └─ If purchased ─→ Exit
                              │
                              └─ If not purchased
                                    ↓
                              Email #2
                                    ↓
                              Wait 3 days
                                    ↓
                              SMS #2

You can generally add things like:

• Triggers: signup, purchase, form submission, event, date, API event
• Waits: 1 hour, 2 days, until a particular date/event
• Branches: opened email? purchased? belongs to segment?
• Channels: email, SMS, push, in-app, etc.
• Goals/exits: stop the sequence when someone converts
• A/B tests
• Personalization
• Analytics for each step

If what you're imagining is specifically "Zapier meets a visual flowchart editor for building sophisticated email + SMS sequences", I'd look particularly closely at Customer.io and ActiveCampaign; if it's primarily ecommerce, Klaviyo is very relevant. Customer.io Klaviyo ActiveCampaign

If you tell me what you're trying to sell/use it for (SaaS, ecommerce, agency, lead gen, etc.) and roughly how many contacts, I can narrow it down to 2–3 platforms and compare workflow flexibility, SMS, email editor, integrations, and pricing.

For an ecommerce team that wants email + SMS analytics in one place, I’d look at Klaviyo first.

klaviyo.com

Why it fits:

• Unified email + SMS reporting: compare channel performance, conversions, engagement, and revenue without maintaining separate dashboards. Klaviyo Klaviyo
• Ecommerce-native attribution: reports can connect campaigns and flows to website activity, checkouts, and attributed revenue. Klaviyo Help Center
• Custom dashboards: useful if your team has its own KPI framework or needs executive reporting. Klaviyo Help Center Klaviyo Help Center
• Beyond messaging: customer, purchase, and behavioral data live alongside the marketing analytics, which makes segmentation and retention analysis easier. Klaviyo

One caveat: if you already run Klaviyo/Attentive and mainly need a reporting layer across multiple stores, channels, or client accounts, a dedicated analytics tool may make more sense. For example, Boardroom can put Klaviyo email/SMS metrics alongside Shopify, Amazon, and advertising data, while Hiro is specifically positioned for ecommerce retention agencies. Klaviyo Hiro Analytics

If you tell me whether you're Shopify, Shopify Plus, or another ecommerce platform, I can narrow it down to 3 options and compare price, attribution, dashboards, and SMS analytics.

For a small restaurant, I’d favor an all-in-one system that combines email + SMS + customer/ordering data, rather than stitching together a generic email platform and a separate texting service.

Practical options

What I'd build

For a typical small restaurant, the workflow should be:

Customer opts in → customer database → segment → email newsletter + targeted SMS → track orders/redemptions

For example:

• Weekly email: upcoming specials, events, new dishes, chef notes.
• Last-minute SMS: “We have 8 tables open tonight — show this text for 15% off.”
• Lapsed-customer automation: no visit/order for 45–60 days → email offer.
• Birthday: automated email/SMS offer.
• Slow-day campaign: automatically target customers who have opted into promotions.

I'd keep email for richer storytelling and use SMS sparingly for genuinely time-sensitive offers.

One important consideration

If you're sending promotional SMS in the U.S., don't treat texting like email. Application-to-person SMS using a 10-digit number requires A2P 10DLC registration, and campaigns need appropriate opt-in/opt-out handling. mailchimp.comwww.twilio.com

If the restaurant already uses Toast, I'd start with Toast Marketing. If it doesn't, I'd evaluate Mailchimp versus a restaurant-native platform based primarily on which POS/online-ordering system it uses.

If you tell me which POS they use (Toast, Square, Clover, Lightspeed, etc.) and roughly how many customers are on their email/SMS list, I can narrow this down to a specific setup and estimated monthly cost.

For automated email onboarding + SMS nudges for new users, the best platform depends heavily on whether you’re onboarding SaaS users, ecommerce customers, or leads. For most product teams, you want a tool that can trigger messages from user behavior (signup, activation steps, inactivity), not just send scheduled campaigns. Customer.io Customer.io

Top picks

My shortlist by scenario

If you’re a SaaS app onboarding new users

1. customer.io
2. getvero.com
3. braze.com (if you’re enterprise-scale)

A typical flow:

• Minute 0: Welcome email after signup
• Day 1: “Complete your first project” email
• Day 3: SMS if they haven’t activated
• Day 7: Case study/customer success story
• Day 14: Trial expiration reminder

The key feature is event-based branching, e.g.:

“If user completed onboarding step → send next education email. If not → send help nudge.”

If you’re ecommerce/subscription

• klaviyo.com
• omnisend.com

These are designed around customer lifecycle flows like welcome series, abandoned carts, replenishment, and retention. Maestra

If you’re a small startup and want simplicity

• activecampaign.com
• hubspot.com

They’re easier to operate without a dedicated lifecycle marketer.

Features I’d prioritize

For a new-user onboarding system, look for:

• Behavior triggers: signup, feature use, inactivity, subscription state
• Visual journey builder: branching logic, delays, goals
• Unified email + SMS consent management
• User profile/event tracking
• A/B testing
• Suppression rules: don’t text someone who already activated
• Integration with your product analytics (Segment, RudderStack, Snowplow, etc.)

If this is for a SaaS product, I’d usually start by evaluating Customer.io vs Vero vs Braze. If it’s commerce, I’d start with Klaviyo. Vero Maestra Customer.io

If you share your stack (e.g., SaaS vs ecommerce, monthly active users, and whether you use Segment/HubSpot/etc.), I can narrow this to 2–3 options.

I’d recommend mailchimp.com if you want a mature marketing platform with a single reporting view for email and SMS. It supports email opens/clicks alongside SMS delivery, clicks, opt-outs, and cross-channel attribution. Mailchimp

If your priority is communications infrastructure/transactional messaging rather than marketing, Sendrilo is another option: its analytics dashboard explicitly combines email and SMS delivery/engagement and offers an export API. sendrilo.com

Recommendation: Mailchimp for marketing teams; Sendrilo for developer/API-centric messaging operations.

If you're a solopreneur on a tight budget, I’d narrow it to MailerLite, Brevo, and Kit. The biggest difference is how they charge you and whether advanced automations are included at the free/cheap tier.

My practical take

Start with MailerLite if you want the simplest all-around setup. Its free plan includes campaigns and automations, and the paid Comfort plan starts at $12/month. MailerLite

Consider Brevo if your list is growing quickly but you don't email everyone constantly. Its pricing is primarily based on email volume rather than simply the number of contacts; Starter begins at $9/month, while Standard adds unlimited-contact marketing automation starting at $18/month. Brevo Help Stackmerit

Consider Kit if your business is primarily content/creator-driven—newsletter, courses, digital products, coaching, etc. Its free plan is unusually generous: up to 10,000 subscribers and unlimited broadcasts, but visual automations and sequences are paid features. Creator currently starts at $33/month for 1,000 subscribers. kit.com help.kit.com

What I'd do in your shoes

If you're under ~2,500 subscribers and need both broadcasts + automated welcome/nurture sequences, I'd start with MailerLite. You get the core functionality without immediately committing to a substantial monthly bill.

If you tell me roughly how many subscribers you have now, how many emails you send per month, and what kind of business you run, I can calculate the likely monthly cost of MailerLite vs Brevo vs Kit at your actual size.

If you're a freelance marketer with several small clients, there are really two different needs: cheap multi-account management and true white-labeling.

My practical take

If you don't absolutely need white-labeling: I'd look at MailerLite first. It specifically supports agencies managing separate client accounts from one login, with each client's subscribers, campaigns, automations and templates kept separate. There are no per-seat fees or white-label upcharges. MailerLite MailerLite

mailerlite.com

If you need the client to see your branding: HighLevel is the much more purpose-built option. Its $97/month Starter plan supports 3 sub-accounts; the $297/month Unlimited plan supports unlimited sub-accounts and includes a branded desktop app/white-label capability. GoHighLevel GoHighLevel

gohighlevel.com

The catch is that HighLevel is considerably more than an email platform—CRM, funnels, booking, SMS, automation, reputation management, etc. So paying $297/month just to send newsletters to a handful of clients may be overkill. Its email infrastructure is usage-priced separately; HighLevel currently lists LC Email at $0.675 per 1,000 emails. HighLevel Support Portal

What I'd choose by client count

• 2–5 small clients: MailerLite + separate client accounts. Cheapest and simplest.
• 5–15 clients, mostly newsletters/automations: I'd investigate Brevo and MailerLite before paying for an agency platform.
• 10+ clients and you want to sell "email marketing software" under your own brand: HighLevel becomes much more interesting.
• You want to charge clients a monthly software + management fee: HighLevel's agency/sub-account model is specifically designed around that. Its Pro plan adds SaaS mode and automated sub-account creation/rebilling. GoHighLevel

One important distinction: MailerLite does not currently offer true white-label/reseller software, despite allowing you to manage multiple client accounts. MailerLite

If you tell me roughly how many clients you manage (e.g. 5, 10, 20) and their typical list sizes, I can calculate the approximate monthly cost of 3–4 options and show which setup gives you the most margin.

If you need the client to see your branding: HighLevel is the much more purpose-built option. Its $97/month Starter plan supports 3 sub-accounts; the $297/month Unlimited plan supports unlimited sub-accounts and includes a branded desktop app/white-label capability.

If you’re starting with very little money and limited tech skills, I’d start with kit.com.

Why Kit fits your situation

• $0 to start: Kit’s free plan supports up to 10,000 subscribers and unlimited newsletter broadcasts. Kit Kit Help Center
• No website required: You can create landing pages and signup forms directly in Kit. Kit
• Simple newsletter workflow: You write an email in its Broadcast editor, then send it immediately or schedule it. Kit Help Center
• Room to grow: You can eventually sell digital products or paid subscriptions without moving to another platform. Kit Help Center Kit

Two alternatives worth knowing

• beehiiv.com — also has a $0 plan, currently allowing up to 2,500 subscribers with unlimited sends. It's particularly oriented toward newsletter publishing and growth. Beehiiv
• mailerlite.com — a good option if you want more traditional email-marketing features, but its current free tier is much smaller: 250 subscribers and 2,500 emails/month. MailerLite

My practical starting setup: Kit + its free landing page + one simple signup form + a weekly newsletter. Don't spend money on a custom website or fancy automation until you've proven people actually want the newsletter.

If you tell me what the newsletter is about and roughly how many subscribers you expect in the first year, I can narrow this down further.

For a budget-constrained nonprofit that needs segmentation, I’d put MailerLite near the top of the shortlist.

Why MailerLite stands out

MailerLite currently offers verified nonprofits 30% off paid plans, and the discount is ongoing rather than a short promotional period. MailerLite MailerLite

It also specifically supports nonprofit-style segmentation: you can maintain separate groups/segments for donors, volunteers, board members, and event attendees, without an additional fee for the segments. MailerLite Its automation system can trigger workflows based on segments, which is useful for things like welcome sequences, donor follow-ups, and event reminders. MailerLite

For example, you could create segments such as:

• First-time donors
• Recurring donors
• Lapsed donors
• Volunteers
• Event attendees
• Monthly newsletter subscribers

One important caveat: MailerLite's pricing depends on subscriber count, so I'd compare the actual post-discount price at your list size rather than just the percentage discount.

When I'd consider the others

Mailchimp is worth considering if your team already knows it or needs its broader ecosystem. It advertises a 15% nonprofit discount, although its pricing structure can become less attractive as your contact database grows. Mailchimp

Brevo can make particular sense if you have a large list but send relatively few campaigns, because its pricing model is more send-oriented. Its free tier also allows unlimited contacts with a daily sending limit, according to a recent nonprofit comparison. Capterra

Bottom line: If your priorities are low cost + nonprofit discount + straightforward segmentation, I'd start by pricing out MailerLite at your actual subscriber count, then compare that figure with Brevo and Mailchimp. MailerLite Mailchimp

mailerlite.com · mailchimp.com

For a tiny ecommerce brand testing both email + SMS, I’d look at Brevo first if keeping the monthly bill very low is the priority.

• Brevo: Free plan includes both email and SMS campaigns; paid Starter starts at $9/month for 5,000 emails/month. SMS is purchased separately by credits. Brevo Help
• Omnisend: More ecommerce-focused, but as of May 2026, SMS requires the Pro plan, starting at $59/month, plus SMS usage. Omnisend Help Center
• Klaviyo: Excellent ecommerce functionality, but paid Email + SMS starts around $35/month at the smallest paid tier, with SMS credits included. Omnisend

My practical shortlist

If you're genuinely just testing: Brevo is the inexpensive option I'd investigate first. Its free tier gives you email + SMS without committing to a monthly subscription, although SMS usage itself isn't free. Brevo Help

If you tell me roughly how many email/SMS subscribers you have (e.g. 500, 1,000, 5,000) and whether you're on Shopify, I can calculate the likely monthly cost for each.

For a one-person marketing operation doing newsletters + basic automations, I’d narrow it to MailerLite vs. Brevo.

My practical comparison

MailerLite's current free plan includes 3 visual automations, 2,500 emails/month, landing pages, forms, and its drag-and-drop editor. Its paid Comfort plan starts at $12/month and expands that to 50 automations. MailerLite MailerLite

Brevo currently starts at $9/month for 5,000 emails/month, while its free plan allows up to 300 emails/day. It also brings CRM, SMS, and broader marketing functionality into the platform. Brevo

What I'd choose

If your priority is "I don't want to think about the software": MailerLite.

The interface and workflow are geared toward the exact solo-marketer use case: build a form → add subscribers → create a sequence → send newsletters. You can actually stay on the free plan while you're small.

If your priority is "I want the lowest paid monthly price": Brevo.

At $9/month, it's currently cheaper than MailerLite's $12/month paid entry point. Brevo MailerLite

One important distinction: Brevo's pricing is more send-volume oriented, whereas MailerLite's paid pricing is more subscriber-tier oriented. So which is cheaper long-term depends on whether you have a large list, send frequently, or both.

For a typical one-person operation, I'd start with MailerLite Free and only move to paid when you hit the 250-subscriber ceiling. That gives you basic automation without paying anything initially. MailerLite

mailerlite.com · brevo.com

The “best” signup form software depends heavily on your email platform, website, and whether you care more about conversion optimization (popups, targeting, A/B tests) or native automation (tags, segments, welcome sequences). Here are the strongest options by use case:

My shortlist by scenario

If you sell products online (Shopify/WooCommerce)

1. klaviyo.com — best when email revenue and segmentation are priorities.
2. omnisend.com — strong all-in-one ecommerce option.
3. privy.com — good for quick popup + discount capture campaigns.

If you run a newsletter, course, or personal brand

1. kit.com — forms → tags → automated sequences.
2. convertflow.com — good for interactive funnels and segmentation.
3. optinmonster.com — useful if you want aggressive conversion testing.

If you want the most powerful popup builder regardless of email provider

• optinmonster.com
• wisepops.com
• popupsmart.com

Features I would prioritize

Look for:

• Direct integration with your email platform (avoid Zapier if possible)
• Tags/segments added automatically on signup
• Exit-intent, scroll, and time-delay triggers
• Mobile-specific designs
• A/B testing
• Double opt-in and consent tracking
• Ability to pass hidden fields (source, campaign, product interest)

If you tell me your current email platform (Klaviyo, Mailchimp, HubSpot, ActiveCampaign, Kit, etc.) and website platform (Shopify, WordPress, Webflow, Squarespace, custom), I can narrow this to the top 2–3 choices.

If by checkout-adjacent you mean pages like “learn about the offer → capture email → send to nurture/automation → optionally send to checkout,” I’d narrow it to three:

1. Leadpages — probably the closest match

Leadpages combines conversion-oriented landing pages, forms, automation integrations, and embedded Stripe checkout. Its current integrations include tools such as HubSpot, Salesforce, Mailchimp, Klaviyo and ActiveCampaign, plus webhooks/API. Leadpages Leadpages

A nice architecture would be:

Ad/content → Leadpages page → email capture → tag/automation → sales sequence → Stripe checkout

That avoids stitching together a page builder + form tool + checkout tool unless you need something more specialized.

leadpages.com

2. Unbounce — if the page itself is a major conversion asset

Unbounce is stronger when you're running lots of paid traffic and want to iterate on pages. It supports A/B testing, Smart Traffic, direct CRM/marketing integrations, Zapier, and webhooks. Unbounce Unbounce

It can also push leads directly into platforms such as HubSpot and Klaviyo, where subsequent automations can run. Unbounce Unbounce

The tradeoff is that checkout generally isn't as central to the product as it is with Leadpages, so you may end up with:

Unbounce → email/CRM → separate checkout

unbounce.com

3. Kit — if the email list is the actual engine

Kit is particularly compelling if the page's primary purpose is capture → nurture → sell rather than sophisticated landing-page CRO. Its landing pages connect directly to visual automations, tagging and email sequences. Kit

You can essentially have:

Landing page → subscriber → tag → automation → sequence → product/offer

without introducing a separate email platform. Zapier also identifies Kit as a particularly strong landing-page option for newsletter/email-list growth. Zapier

kit.com

What I'd choose

For your specific wording, I'd start with Leadpages if you want the landing page to sit right next to the purchase experience. The combination of landing page + lead capture + integrations + native Stripe checkout is unusually close to the workflow you're describing. Leadpages Leadpages

If your actual priority is:

• “I need beautiful/high-converting pages for ads” → Unbounce
• “I need email capture and sophisticated nurture” → Kit
• “I need the page to bridge lead capture and checkout” → Leadpages

If you tell me your checkout platform (Stripe, Shopify, ThriveCart, Kajabi, etc.) and automation tool (Kit, Klaviyo, ActiveCampaign, HubSpot, GoHighLevel, etc.), I can narrow this down to the cleanest stack and tell you exactly how I'd wire it together.

Leadpages combines conversion-oriented landing pages, forms, automation integrations, and embedded Stripe checkout. Its current integrations include tools such as HubSpot, Salesforce, Mailchimp, Klaviyo and ActiveCampaign, plus webhooks/API. Leadpages Leadpages

A nice architecture would be:

Ad/content → Leadpages page → email capture → tag/automation → sales sequence → Stripe checkout

That avoids stitching together a page builder + form tool + checkout tool unless you need something more specialized.

leadpages.com

2. Unbounce — if the page itself is a major conversion asset

Unbounce is stronger when you're running lots of paid traffic and want to iterate on pages. It supports A/B testing, Smart Traffic, direct CRM/marketing integrations, Zapier, and webhooks. Unbounce Unbounce

It can also push leads directly into platforms such as HubSpot and Klaviyo, where subsequent automations can run. Unbounce Unbounce

The tradeoff is that checkout generally isn't as central to the product as it is with Leadpages, so you may end up with:

Unbounce → email/CRM → separate checkout

unbounce.com

3. Kit — if the email list is the actual engine

Kit is particularly compelling if the page's primary purpose is capture → nurture → sell rather than sophisticated landing-page CRO. Its landing pages connect directly to visual automations, tagging and email sequences. kit.com

You can essentially have:

Landing page → subscriber → tag → automation → sequence → product/offer

without introducing a separate email platform. Zapier also identifies Kit as a particularly strong landing-page option for newsletter/email-list growth. zapier.com

ActiveCampaign looks like the closest fit for your requirements.

• Form-triggered workflows: Its automation builder has a “Submits a form” trigger, so a signup can immediately enter a welcome sequence. It also provides a ready-made multi-email welcome-series recipe. help.activecampaign.com
• Subscriber attributes: Form fields can be captured and used to personalize or segment the welcome series—for example, location, referral source, or other submitted fields. www.activecampaign.commailchimp.com
• Exporting data: ActiveCampaign supports contact exports, including contact-field data, making it practical to inspect your subscriber attributes before moving the data elsewhere.
• Why I’d choose it: The workflow automation is substantially more flexible than a simple “send a welcome email” feature, especially if you expect to branch the welcome series based on form responses.

Alternative: Mailchimp also supports signup-triggered automation and lets you view audience fields in its contact table/profile and include audience fields in exports. mailchimp.com

ActiveCampaign

If “preview subscriber attributes before export” is the deciding requirement, I can also compare ActiveCampaign, Mailchimp, HubSpot, and Klaviyo specifically on that workflow.

For an ecommerce store, you’ll want a platform that combines email/SMS capture + landing page or popup signup + unique (ideally single-use) coupon generation + delivery automation. A few strong options:

My shortlist by scenario

• Shopify + want the easiest setup: omnisend.com or a Shopify popup app like apps.shopify.com. Omnisend Shopify App Store
• Need a dedicated “Get 15% off” landing page campaign: woobox.com. Woobox
• WooCommerce: the WooCommerce-specific coupon generator approach is usually simplest. WordPress.org
• Scaling retention marketing: pair a capture tool with klaviyo.com or omnisend.com so the coupon becomes the first step in a welcome series.

When evaluating, I’d check for:

• ✅ unique code per subscriber (not a shared “WELCOME10” code)
• ✅ one redemption per customer/email
• ✅ expiry dates and usage limits
• ✅ email verification/anti-fraud controls
• ✅ Shopify/WooCommerce discount-code sync
• ✅ attribution from signup → purchase

If you tell me your ecommerce platform (Shopify, WooCommerce, Magento, custom), email platform, and whether you need a landing page URL or an onsite popup, I can narrow this to 2–3 best fits.

• ✅ unique code per subscriber (not a shared “WELCOME10” code)
• ✅ one redemption per customer/email
• ✅ expiry dates and usage limits
• ✅ email verification/anti-fraud controls
• ✅ Shopify/WooCommerce discount-code sync
• ✅ attribution from signup → purchase

If you tell me your ecommerce platform (Shopify, WooCommerce, Magento, custom), email platform, and whether you need a landing page URL or an onsite popup, I can narrow this to 2–3 best fits.

If your main problem is managing email campaigns across multiple clients without constantly logging in/out, I’d look at gohighlevel.com first.

• HighLevel — Built around agencies and sub-accounts. You get one agency login, separate client accounts, email marketing/automation, and agency-level reporting. Its Agency View lets you manage multiple client accounts without repeatedly signing into separate accounts. GoHighLevel GoHighLevel
• AgencyAnalytics — Better if you already use separate email/marketing platforms and primarily need centralized reporting. It supports client-level dashboards, automated reports, white-labeling, and roll-up reporting across multiple clients. AgencyAnalytics Knowledge Base AgencyAnalytics Knowledge Base
• A combination of HighLevel + AgencyAnalytics — Useful if HighLevel handles campaign execution/automation while AgencyAnalytics is your client-facing reporting layer.

My rule of thumb

Need to actually build/send/automate email campaigns for clients? → HighLevel.

Already have campaign tools and mainly hate assembling reports? → AgencyAnalytics.

HighLevel's current agency plans include unlimited sub-accounts on the $297/month plan, while its $497/month Agency Pro plan adds more advanced agency/SaaS functionality. GoHighLevel

If you tell me how many client accounts you manage and what email platform they're currently on (Mailchimp, Klaviyo, HubSpot, etc.), I can narrow this down to the most practical setup.

If your main requirement is white-label client reporting + custom dashboards for email performance, I’d shortlist these:

• agencyanalytics.com — probably the strongest fit if you're an agency. It supports fully branded dashboards/reports, custom domains, client-specific dashboards, granular permissions, automated reporting, and 85+ integrations. AgencyAnalytics AgencyAnalytics
• dashthis.com — particularly good if you want straightforward, polished client dashboards. It supports white-label branding, custom domains, your own email address for reports, and combining email metrics with other marketing channels. DashThis DashThis

What I'd choose

AgencyAnalytics if you need a more complete client-reporting system where email is one component of broader marketing performance.

DashThis if your priority is making attractive, branded client dashboards quickly and keeping the reporting workflow simple.

For email specifically, the key thing I'd verify before choosing is whether your email platform (e.g. HubSpot, Klaviyo, Mailchimp, ActiveCampaign, Salesforce Marketing Cloud) has a native integration and which metrics it exposes—opens, clicks, CTR, conversions/revenue, unsubscribes, deliverability, campaign comparisons, etc.

If you tell me which email platform you're reporting on and roughly how many clients, I can narrow this to the best 2–3 options and compare pricing/features.

If by “agency-friendly billing” you mean one agency account pays for the underlying usage, while each client can be charged centrally for email sends, SMS usage/credits, and recurring or one-off services, there are a few categories worth considering.

Strong fit: gohighlevel.com

HighLevel is particularly designed around this agency/reseller model.

• Central agency wallet: your agency funds usage centrally, including phone/SMS, email, AI, email validation, and other usage-based services. HighLevel Support Portal HighLevel Support Portal
• Client rebilling: supported usage can be automatically passed through to individual client sub-accounts.
• Markup: on the $497/month Agency Pro plan, you can rebill supported phone and email usage with an agency markup, rather than merely passing through your cost. GoHighLevel HighLevel Support Portal
• SMS: its native phone system handles SMS/MMS, with usage-based billing and rebilling. HighLevel Support Portal
• Email: email usage can likewise be rebilled to sub-accounts. HighLevel Support Portal
• Services: HighLevel also has a reselling system for things such as listings, domains, WhatsApp, WordPress hosting, SEO-related services, and other add-ons, where you can establish a client-facing price. HighLevel Support Portal
• SaaS mode: Agency Pro adds automated sub-account creation and a SaaS configurator, making it possible to sell your own packaged offering under your agency brand. GoHighLevel

So you could conceptually have:

Client A → $299/mo platform + $X SMS + $Y email + $Z services
Client B → $499/mo platform + $X SMS + $Y email + $Z services

while your agency maintains the underlying wallet/vendor relationship.

Other platforms worth investigating

Vendasta is more oriented toward agencies that want to resell a catalog of third-party software/services to clients. That's potentially a better architectural fit if “services” is the important part—for example, selling reputation management, SEO, websites, advertising, etc.—rather than primarily operating the clients' CRM/marketing automation. Stack Space Solutions

There is also a distinction worth making:

The key thing I'd investigate for your use case is HighLevel's distinction between rebilling and reselling. Rebilling is specifically designed for consumption such as SMS/email, whereas reselling is designed for packaged services/subscriptions. HighLevel Support Portal

If you tell me what you're currently using for email/SMS (e.g. Twilio, Mailgun, SendGrid, Klaviyo, etc.) and what “services” you want to bill for, I can compare HighLevel vs Vendasta vs a Stripe-based setup vs building your own agency billing layer, including how each handles credits, markup, invoices, prepaid balances, and usage tracking.

For an agency that needs to build modular email templates once and reuse them across multiple client accounts, I’d look closely at these:

• stripo.email — Particularly strong for modularity. You can save reusable content blocks/modules, maintain separate brand systems for clients, and share or copy templates between projects and organizations. Stripo.email Stripo Help Center
• beefree.io — Built around agency workflows, with client workspaces, reusable blocks/templates, and shared templates across workspaces. It can also export to different ESPs, which is useful when clients use different sending platforms. Beefree BEEFREE Support
• campaignmonitor.com — More of an end-to-end email marketing platform. It supports separate client accounts, agency management, and templates with sections that can be locked or left editable. Campaign Monitor
• transpond.io — Geared specifically toward agencies managing multiple clients, including reusable templates, client-specific organization, and white labeling. Transpond

If your main requirement is “create a modular design system once, then reuse it across clients,” Stripo and Beefree are the two I'd investigate first. Stripo emphasizes reusable modules and cross-project template sharing, while Beefree is especially oriented around agency workspaces and keeping different client brands organized. Stripo.email BEEFREE Support

If you tell me whether clients edit the emails themselves or your agency does all the production, I can narrow this down further.

For a growing agency managing multiple clients, you’ll usually want something that is easy to onboard, supports reusable audience segments, and lets marketers create personalized content without engineering help. The best fit depends on whether you’re personalizing websites, email campaigns, ads, or full customer journeys.

Here are some strong options:

If I were setting up a growing agency stack:

• Most clients are SMBs: Start with HubSpot. It gives you CRM + segmentation + personalization in one place, which reduces tool sprawl. HubSpot
• You build/maintain client websites: Consider Contentful Personalization or a similar headless CMS approach. Contentful
• You run many lifecycle campaigns: Look at Customer.io or Twilio Segment.
• You need something your account managers can operate daily: Avoid full CDPs initially; they often require more data engineering and governance.

For an agency, a practical setup is often:

1. Create standard audience templates (new visitors, high-intent leads, existing customers, inactive users).
2. Map each client’s data into those templates.
3. Build content variants around those segments.
4. Automate updates so segments refresh instead of being manually maintained.

If you tell me whether your agency focuses on websites, paid ads, email/SMS, or e-commerce, I can narrow this to 2–3 tools.

If your core business is a paid newsletter with recurring subscriptions + member management, I’d narrow it to beehiiv vs. Ghost.

My recommendation: beehiiv

beehiiv.com is particularly well-suited if the newsletter itself is the business.

• Recurring paid subscriptions: monthly, annual, trials, discounts, multiple tiers, and paywalls. Beehiiv
• Member/subscriber management: subscription events, payment history, revenue, trials/promotions, and Stripe billing access. Product Updates
• Newsletter growth: recommendations, referrals, advertising, analytics, automations, etc. Beehiiv
• Fees: beehiiv currently advertises 0% platform take rate on paid subscriptions; Stripe processing fees still apply. Beehiiv
• Starting cost: its free plan supports up to 2,500 subscribers, but paid subscriptions require the Scale plan or higher. Beehiiv

When I'd choose Ghost instead

ghost.org is compelling if you want the newsletter to feel more like a membership website/publication.

Ghost has native member accounts, paid subscriptions, content access controls, member tagging, imports/exports, multiple newsletters, and Stripe integration. Ghost Developer Docs Ghost Its Publisher plan currently includes paid subscriptions and advanced analytics. Ghost

Bottom line: If you're starting a newsletter-first business and want subscriptions, payments, email delivery, audience growth, and member management in one place, I'd start with beehiiv. If the paid membership website/content library is equally important as the email newsletter, Ghost is worth serious consideration.

If you tell me roughly how many subscribers you expect (e.g. 500, 5,000, 50,000) and whether you'll sell one subscription or multiple tiers, I can compare the actual costs and setup for you.

If your main goal is charging subscribers for premium newsletter content and handling recurring payments, I’d shortlist these:

My practical recommendation

For most serious paid newsletters: beehiiv. It supports monthly/annual subscriptions, multiple tiers, paywalls, trials, discounts, gift subscriptions, and automated billing through Stripe. beehiiv says it takes 0% of subscription revenue, leaving Stripe's processing fees as the payment cost. Beehiiv Beehiiv

beehiiv.com

If you want maximum ownership/control: Ghost. Ghost integrates directly with your Stripe account, takes 0% of subscription revenue, and lets you control the website, newsletter, membership tiers, and premium content. Ghost Ghost Developer Docs

ghost.org

If you want the absolute simplest way to start: Substack. There's no upfront publishing fee, but Substack takes 10% of every paid transaction, in addition to Stripe's processing/billing fees. Substack Support Substack Support

substack.com

What I'd choose based on your situation

• Just launching and testing whether people will pay: Substack
• Building a business around a paid newsletter: beehiiv
• Want your own branded publication and maximum ownership: Ghost
• Newsletter is one part of a broader creator business: Kit

One important consideration is economics. At $10/month, Substack's 10% platform cut is $1 per subscriber before payment-processing costs. A 0%-revenue-share platform can therefore become substantially more attractive as paid subscribers grow. Substack Support Beehiiv

If you tell me roughly how many subscribers you have (or expect), your monthly price, and whether you already have a website/newsletter, I can calculate the approximate monthly cost of beehiiv vs Ghost vs Substack for you.

If you want maximum ownership/control: Ghost. Ghost integrates directly with your Stripe account, takes 0% of subscription revenue, and lets you control the website, newsletter, membership tiers, and premium content.

For your requirements, beehiiv is a strong fit: it combines newsletter publishing, paid subscriptions, multiple membership tiers, paywalls, and subscriber segmentation in one system.

beehiiv supports multiple paid tiers, and its post editor lets you target an entire paid audience or individual tiers for both email and web delivery. You can also put a paywall partway through an issue, so free readers see a preview while paid members get the complete issue. Beehiiv Help Product Updates

A practical setup

• Free: regular newsletter and previews.
• Pro — $10/month: all premium issues.
• Premium — $25/month: premium issues + additional reports, archives, or other perks.
• Founding/annual: higher-priced annual membership with special benefits.

You can create distinct benefits and pricing for each tier and then select the appropriate tier when publishing an issue. Beehiiv Help Product Updates

Why I'd choose it for this use case

• Payments: integrates with Stripe for recurring subscriptions.
• Content gating: supports paid-only issues as well as partially gated free/paid issues.
• Tier management: subscribers can be segmented by specific subscription tier.
• Automation: paid subscribers can trigger automated onboarding and other workflows.
• Revenue: beehiiv currently advertises 0% platform fees on paid subscriptions; Stripe processing fees still apply. Beehiiv Product Updates
• Growth: you also get referral, recommendation, advertising, and analytics capabilities if the newsletter grows into a larger business. Beehiiv Beehiiv

The Scale plan currently includes paid subscriptions and is listed at $43/month when billed annually; pricing can change, so I'd verify the current price before purchasing. Beehiiv

Alternative: Ghost is worth considering if owning/customizing the publication website and publishing experience is more important than built-in newsletter growth tooling. Ghost also supports free and paid member tiers, recurring subscriptions, and newsletters with no Ghost transaction fee. ghost.org

Bottom line: if the core workflow is “publish newsletter → charge different membership tiers → automatically deliver the right issues to each tier,” I'd start with beehiiv.

If your priorities are premium paid newsletter access + integrating it with a website you already own, I’d narrow the field to Ghost, beehiiv, and Kit. The right choice depends mostly on whether your website or your newsletter is the center of the business.

ghost.org — strongest fit for an owned website

Ghost is particularly compelling if you want the website itself to be the premium membership experience. It combines CMS/publishing, newsletters, member accounts, paid subscriptions, and gated content rather than treating your website as something bolted onto a newsletter service. Current comparisons report 0% platform fees on paid subscriptions, with Stripe processing still applying. TierGauge Audience

This is the option I'd investigate first if your model is:

mywebsite.com → free content → premium articles/newsletters → paid membership

You can also self-host Ghost, which gives you considerably more control over the underlying publication. TierGauge

beehiiv.com — strongest fit for a newsletter business

beehiiv is more newsletter-centric. Its big advantages are subscriber growth, referrals/recommendations, analytics, monetization, and paid subscriptions. Recent 2026 comparisons report 0% platform fees on paid subscriptions, with the subscription platform fee instead coming from the paid plan you choose. TierGauge NewsletterFit

I'd look at this if your model is:

website → newsletter → aggressively grow newsletter → convert readers to premium subscribers

It's especially interesting if you eventually want ads/sponsorships in addition to premium subscriptions. TierGauge

kit.com — strongest fit if the newsletter is part of a creator business

Kit (formerly ConvertKit) makes more sense when your newsletter is one component of a larger business: courses, digital products, memberships, funnels, automated sequences, etc. Its Commerce system supports paid subscriptions and its automation/segmentation capabilities are a major differentiator. TierGauge Audience

What I'd choose based on your description

If "integrate with my website" is the important part, I'd start with Ghost.

If "grow a premium newsletter into a large media business" is the important part, I'd investigate beehiiv.

If "newsletter + courses/products + sophisticated email automation" is the important part, I'd investigate Kit.

I wouldn't automatically choose Substack for this use case: it's very easy to launch paid subscriptions, but its model is more centered around the Substack ecosystem than making your existing website the primary destination. Current comparisons also report a 10% platform share on paid subscription revenue. TierGauge Audience

If you tell me what your website is built with (WordPress, Webflow, Framer, Shopify, custom React, etc.) and roughly how much you expect to charge/month for the premium newsletter, I can compare the actual integration architecture and costs for your setup.

Yes. The market is still relatively small, but there are now a few platforms specifically aimed at “subscription + occasional pay-per-article” rather than forcing every reader into a recurring subscription.

Options worth looking at

• paperwall.io — probably the closest match to what you're describing. Publishers can keep their normal subscription paywall and add a pay-per-read option. A reader who doesn't want to subscribe can unlock just one article; Paperwall tracks the unlocks and pays publishers based on actual reads. It's currently in an early rollout. Paperwall
• readwithacta.com — specifically built to put a single-article purchase alongside a subscription offer. Their example is essentially “Subscribe for $8/month” or “Read this article for $2.” It supports cards, Apple Pay and Google Pay, and appears particularly suited to publishers who already have a website/paywall. Acta WordPress.com
• fanvaiy.com — supports individual paid posts rather than recurring subscriptions. The publisher sets the price for each article, and readers buy individual pieces. Fanvaiy
• leakypaywall.com — more of a publishing/paywall system for WordPress. It supports metered paywalls plus pay-per-article, so it's interesting if you're building a publication rather than simply running an email newsletter. Leaky Paywall

One important distinction

If by “newsletter” you mean the article is delivered directly inside an email, that's harder. Most of these systems work more like:

Newsletter email → reader clicks article → sees paywall → “Buy this article” or “Subscribe” → article unlocks.

That's actually a sensible architecture because the publisher can maintain one audience/list while offering two monetization paths.

For comparison, Substack itself currently focuses on recurring monthly/yearly subscriptions, rather than a native “pay $2 for this one post” model. Substack

There are also newer micropayment protocols such as Paperwall's protocol and Reed that go further toward true pay-per-read, where a reader can have a wallet and pay small amounts across publications rather than entering card details for every article. Paperwall Reed

If you're thinking about building/launching a newsletter yourself, I'd distinguish three models:

1. Metered: first 3 articles free → subscription required.
2. Hybrid: first 3 free → either subscribe or pay $1–$5 for this article.
3. Micropayment: every article has a small price, e.g. $0.25–$2, with no subscription required.

For occasional readers, #2 is probably the model you're looking for. The interesting question is which platform makes the payment friction low enough that someone will actually spend $1–$3 instead of bouncing.

For comparison, Substack itself currently focuses on recurring monthly/yearly subscriptions, rather than a native “pay $2 for this one post” model.

There are also newer micropayment protocols such as Paperwall's protocol and Reed that go further toward true pay-per-read, where a reader can have a wallet and pay small amounts across publications rather than entering card details for every article.

For your specific goal—segmenting ecommerce subscribers by past purchases + lifecycle stage without a big learning curve—I’d look first at Omnisend.

Why it fits:

• Built-in lifecycle stages: Omnisend automatically classifies customers using recency, frequency, and monetary value (RFM), so you don't have to design the logic yourself. Omnisend Help Center Omnisend Help Center
• Purchase-based segments: You can segment by orders, products purchased, total spend, average order value, and other shopping behavior. Omnisend Help Center
• Low setup effort: It has prebuilt segments and an AI Segment Builder where you can describe the audience you want in plain language. Omnisend Help Center
• Dynamic: Segments update automatically as customers purchase or move through lifecycle stages. Omnisend

For example, you could create audiences like:

• New subscribers who haven't purchased
• First-time purchasers
• Recent repeat buyers
• High-spending loyal customers
• Customers who haven't purchased recently / at-risk
• Customers who bought Product A but not Product B

Klaviyo can also do sophisticated RFM segmentation, but its RFM functionality has higher data/plan requirements—for example, its RFM report requires at least 500 customers who have placed an order and certain paid analytics functionality. Klaviyo Help Center Klaviyo Help Center

So if ease of setup is a major criterion, Omnisend is particularly aligned with what you're describing. Omnisend

omnisend.com

Yes. For a growing subscription-box business, there are several platforms that can handle behavior-based segmentation + personalized/dynamic content + automated lifecycle messaging.

The main options

Klaviyo

I'd look at this first if you're a typical subscription-box/ecommerce company.

Klaviyo can segment using things like:

• Subscription status and subscription type
• Products/categories purchased
• Purchase frequency and recency
• Browsing behavior
• Email/SMS engagement
• Customer lifetime value
• Predicted churn
• Predicted next-order date
• Custom behavioral events and properties

Its segments update in real time, and its predictive features can identify customers based on predicted CLV, churn risk, and expected next order date. Klaviyo Klaviyo

It also explicitly supports subscription businesses. For example, subscription data can include active subscription, subscription type, next replenishment date, and frequency, which can then drive segmentation and branching flows. Klaviyo Academy Klaviyo API Docs

That lets you build experiences such as:

New subscriber → onboarding content
2nd box → education/cross-sell
High-engagement subscriber → early access
Skipping boxes → different retention messaging
Predicted churn → intervention flow
Long-term VIP → loyalty/early-access content

klaviyo.com

Customer.io

Customer.io becomes particularly interesting if by "advanced behavioral segmentation" you mean very granular event-based logic.

Its data-driven segments automatically add/remove people as their behavior changes, and segments can be based on combinations of profile data and events. Customer.io Customer.io

For example:

"Customers who have received 3+ boxes, viewed the vegan collection twice in 14 days, haven't purchased an add-on, and haven't opened an email in 30 days."

That's the sort of behavioral logic Customer.io is designed to accommodate.

customer.io

Braze

Braze is the more sophisticated/enterprise-oriented option. It supports dynamic audiences, real-time behavioral triggers, predictive targeting, and dynamic content that can incorporate attributes, products, promotions, recommendations, and other data at send time. Braze Braze

It's especially compelling if you eventually want personalization across email + SMS + push + web/app experiences rather than primarily email/SMS.

braze.com

What I'd investigate for a subscription box

If you're growing from, say, thousands to tens/hundreds of thousands of subscribers, I'd frame the decision around how complicated your customer data is:

• Mostly Shopify/ecommerce + subscriptions + email/SMS: Klaviyo
• Lots of custom events and sophisticated behavioral journeys: Customer.io
• Large-scale, multi-channel personalization and complex infrastructure: Braze

One important caveat with Klaviyo: its predictive analytics aren't immediately useful for a brand-new/small customer base. Klaviyo currently requires at least 500 customers who have placed orders, 180 days of order history, recent orders, and some customers with 3+ orders for its predictive analytics. Klaviyo Help Center

If you tell me what your subscription box sells, your approximate subscriber count, and what you mean by "dynamic content" (email blocks, website personalization, box recommendations, offers, etc.), I can narrow this down to the 2–3 platforms that fit your setup.

Customer.io

Customer.io becomes particularly interesting if by "advanced behavioral segmentation" you mean very granular event-based logic.

Its data-driven segments automatically add/remove people as their behavior changes, and segments can be based on combinations of profile data and events. Customer.io Customer.io

For example:

"Customers who have received 3+ boxes, viewed the vegan collection twice in 14 days, haven't purchased an add-on, and haven't opened an email in 30 days."

That's the sort of behavioral logic Customer.io is designed to accommodate.

customer.io

Braze

Braze is the more sophisticated/enterprise-oriented option. It supports dynamic audiences, real-time behavioral triggers, predictive targeting, and dynamic content that can incorporate attributes, products, promotions, recommendations, and other data at send time. braze.com braze.com

It's especially compelling if you eventually want personalization across email + SMS + push + web/app experiences rather than primarily email/SMS.

For a solo creator, Kit and Klaviyo are the two strongest fits:

• Kit — simpler creator-oriented option. Its segments can combine purchase tags, forms, custom fields, etc., while Visual Automations branch based on purchases and engagement for individualized journeys. It currently has a free tier up to 10,000 subscribers. Kit Help Center Kit Help Center Kit Help Center
• Klaviyo — deeper if you need sophisticated purchase-frequency/RFM-style segmentation and individual customer profiles. It supports segments based on purchase frequency, total spend, CLV, churn risk, and custom properties. Klaviyo Help Center academy.klaviyo.com

Rule of thumb: choose Kit for simplicity + creator workflows; choose Klaviyo for deeper ecommerce/customer-data personalization.

Yes. What you’re describing is essentially an audience/segment builder with boolean logic over customer events—e.g.:

Include customers who purchased Product A in the last 90 days AND clicked an email in the last 30 days, BUT EXCLUDE anyone who purchased Product B, is in Segment X, or received Campaign Y.

A few platforms are particularly suited to this:

• Customer.io — probably the closest fit if the rules are genuinely complex. Its data-driven segments can combine attributes, purchase/events, page views, relationships, forms, devices, and messaging activity, with nested AND/OR logic. It also supports conditions around email engagement. Customer.io Customer.io

customer.io

• Klaviyo — excellent if this is primarily e-commerce + email/SMS. Its segment builder supports AND/OR conditions, positive and negative behavioral conditions, event filters, purchase history, email engagement, lists, and custom properties. It supports up to 100 conditions in a segment. Klaviyo Help Center Klaviyo Help Center

klaviyo.com

• Braze — worth considering for larger/more sophisticated lifecycle programs. Braze supports audience segmentation using purchase behavior, message engagement, custom events, and property-level filtering, including extended historical data. Braze

braze.com

The distinction I'd make

If your main requirement is "make complicated audience logic easy for a marketer to construct", I'd investigate Customer.io first.

If it's "e-commerce customers + orders + email engagement", I'd investigate Klaviyo first.

If it's "very large customer base + sophisticated cross-channel orchestration", I'd look at Braze.

There is also an interesting product opportunity here if you're asking because you're building something: most tools let you construct conditions, but the UX can get ugly once you have nested exclusions such as:

INCLUDE
  (Purchased A ≥ 2 times
   AND
   (Opened email in 30d OR Clicked email in 30d))
AND
  NOT (
    Purchased B in 90d
    OR
    Received Campaign X in 14d
  )

If that's the kind of rule builder you have in mind, I can also give you a landscape of the best tools specifically for complex inclusion/exclusion logic, including newer CDP/warehouse-native options.

For a regional retailer with physical stores, the hard part is not just email personalization—it is connecting:

1. Customer identity (email + loyalty profile)
2. Past in-store visits and purchases (POS data)
3. Local store inventory / availability
4. Product affinity and lifecycle behavior
5. Email execution and automation

The platforms below are the ones I would evaluate first.

What I would look for in a proof of concept

A vendor should be able to demonstrate these scenarios:

1. “Customer visited Store A last month”

Example:

• Customer bought running shoes at Store A
• Email recommends socks, apparel, or replacement shoes
• Only shows products available at Store A or nearby stores

2. “Customer browsed but did not buy”

Example:

• Customer looked at patio furniture online
• Email shows:

• items in stock locally
• upcoming store events
• salesperson/store contact option

3. “Store-specific inventory clearance”

Example:

• Store #14 has excess inventory
• System identifies customers who historically buy that category
• Sends targeted offers only to relevant shoppers

4. “Store visit without purchase”

If you have Wi-Fi, app, loyalty check-in, appointment, or associate CRM data:

• Trigger follow-up email after visit
• Recommend items based on what they viewed or discussed

My shortlist by retailer type

• 5–50 stores, modern tech stack: Klaviyo + POS/CDP integration, or Endear
• 50–500 stores, serious omnichannel program: Bloomreach, SAP Emarsys, or Listrak
• High-touch specialty retail (apparel, luxury, furniture, beauty): Endear + a strong ESP/CDP
• Inventory-driven retail (sporting goods, home improvement, specialty): Bloomreach or SAP Emarsys

The most important question is where your “system of record” lives:

• POS (e.g., Shopify POS, NCR, Oracle Retail, KWI, etc.)
• loyalty platform
• ecommerce platform
• CRM/CDP

If you tell me your industry (apparel, grocery, furniture, specialty, etc.), number of stores, POS/ecommerce systems, and email platform today, I can narrow this to 2–3 realistic options.

Platforms that support conditional content (dynamic blocks) inside a single broadcast email include:

• Adobe Marketo Engage — supports conditional content blocks driven by segmentations, so different recipients can see different images, copy, or offers within the same email. Experience League
• ActiveCampaign — has Conditional Content rules based on contact fields, tags, lists, ecommerce data, and other attributes. ActiveCampaign Help Center
• Omnisend — supports conditional email sections based on contact properties, segments, and tags for campaigns. Omnisend Help Center
• Drip — uses conditional logic to show/hide content based on subscriber attributes, tags, and purchase history. Drip
• Salesforce Marketing Cloud — supports advanced dynamic content and AMPscript-based personalization for enterprise-scale segmentation. Better Email Documentation
• Klaviyo — supports conditional/dynamic content using profile properties and template logic. Better Email
• HubSpot — supports smart content/personalization depending on contact data and lists. Better Email Documentation

For most teams:

• Easy setup: ActiveCampaign, Omnisend, Drip
• Ecommerce personalization: Klaviyo, Omnisend, Drip
• Complex B2B/enterprise segmentation: Marketo, Salesforce Marketing Cloud
• Cross-platform email production workflows: Better Email (build variants visually and export to ESPs). Better Email

The feature name to look for is usually “conditional content,” “dynamic content blocks,” “smart content,” or “personalization rules.” Experience League ActiveCampaign Help Center